Keeps track of the "exact" current state of a TCP connection so that if
there is a failure the TCP connection does not get disconnected.
This is normally done for "long" lived TCP connections such as FTP
connections or database connections where a disruption in the connection
could cause problems.
Glen.Gasior wrote:
*
What is TCP state replication? I have not been able to find an
explanation yet. Here is the context where I found the term:
1.4.3.1 Content Services Switch (CSS11503)
The CSS11503 was populated with three modules: Switch Control Module
(SCM), I/O Module
(IOM), and Secure Sockets Layer Module (SSLM). The SCM contained 288MB
of system
memory and provided two Gigabit Ethernet interfaces. One interface was
used to provide
connectivity to the client-side VLAN and the other interface
interconnected the server-side VLAN.
The IOM used was a 16 port Fast Ethernet Module with 288MB of memory.
For redundancy
testing, two ports on the IOM were used to provide TCP state
replication. In a production
environment, it is highly recommended that the replication connection
be of equal capacity to the
client/server inter connectivity. The SSL Module contains 512MB of
memory reserved for SSL
decrypting/encrypting only. The CSS was configured with the latest
maintenance release of
WebNS 7.10.
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